December 2029 lunar eclipse
Template:Short description Template:Infobox lunar eclipse A total lunar eclipse will occur at the Moon’s descending node of orbit on Thursday, December 20, 2029,[1] with an umbral magnitude of 1.1190. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Occurring about 4.6 days before apogee (on Sunday, December 16, 2029, at 9:00 UTC), the Moon's apparent diameter will be smaller.[2]
During the eclipse, NGC 2129 will be occulted by the Moon over the South America, the Atlantic Ocean and Africa. Deep-sky objects are rarely occulted during a total eclipse from any given spot on Earth.[3]Template:Rp
Visibility
The eclipse will be completely visible over northern North America, Africa, Europe, and north, west, and central Asia, seen rising over North and South America and setting over east Asia and Australia.[4]
| File:Lunar eclipse from moon-2029Dec20.png File:Lunar eclipse chart close-2029Dec20.png |
Eclipse details
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.[5]
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 2.20231 |
| Umbral Magnitude | 1.11895 |
| Gamma | −0.38110 |
| Sun Right Ascension | 17h57m07.6s |
| Sun Declination | -23°26'00.2" |
| Sun Semi-Diameter | 16'15.5" |
| Sun Equatorial Horizontal Parallax | 08.9" |
| Moon Right Ascension | 05h56m59.0s |
| Moon Declination | +23°05'06.7" |
| Moon Semi-Diameter | 15'00.4" |
| Moon Equatorial Horizontal Parallax | 0°55'04.6" |
| ΔT | 73.9 s |
Eclipse season
Script error: No such module "Labelled list hatnote". This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.
| December 5 Ascending node (new moon) |
December 20 Descending node (full moon) |
|---|---|
| File:SE2029Dec05P.png | File:Lunar eclipse chart close-2029Dec20.png |
| Partial solar eclipse Solar Saros 123 |
Total lunar eclipse Lunar Saros 135 |
Related eclipses
Eclipses in 2029
- A partial solar eclipse on January 14.
- A partial solar eclipse on June 12.
- A total lunar eclipse on June 26.
- A partial solar eclipse on July 11.
- A partial solar eclipse on December 5.
- A total lunar eclipse on December 20.
Metonic
- Preceded by: Lunar eclipse of March 3, 2026
- Followed by: Lunar eclipse of October 8, 2033
Tzolkinex
- Preceded by: Lunar eclipse of November 8, 2022
- Followed by: Lunar eclipse of January 31, 2037
Half-Saros
- Preceded by: Solar eclipse of December 14, 2020
- Followed by: Solar eclipse of December 26, 2038
Tritos
- Preceded by: Lunar eclipse of January 21, 2019
- Followed by: Lunar eclipse of November 18, 2040
Lunar Saros 135
- Preceded by: Lunar eclipse of December 10, 2011
- Followed by: Lunar eclipse of January 1, 2048
Inex
- Preceded by: Lunar eclipse of January 9, 2001
- Followed by: Lunar eclipse of November 30, 2058
Triad
- Preceded by: Lunar eclipse of February 20, 1943
- Followed by: Lunar eclipse of October 21, 2116
Lunar eclipses of 2027–2031
Template:Lunar eclipse set 2027-2031
Metonic series
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will be in nearly the same location relative to the background stars.
| Ascending node | Descending node |
|---|---|
|
|
| File:Metonic lunar eclipse 1991-2067A.png | File:Metonic lunar eclipse 1991-2048D.png |
Saros 135
Template:Lunar Saros series 135
Tritos series
Template:Lunar Tritos series February 2008
Inex series
Template:Lunar Inex series January 2001
Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[6] This lunar eclipse is related to two total solar eclipses of Solar Saros 142.
| December 14, 2020 | December 26, 2038 |
|---|---|
| File:SE2020Dec14T.png | File:SE2038Dec26T.png |
See also
Notes
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- ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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